Home / 6,258.19-8,638.22-3,607.36

Finding the Fourth Proportional to 6,258.19, 8,638.22 and 3,607.36

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Solution

The fourth proportional to 6,258.19, 8,638.22 and 3,607.36 is: 4,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.19 : 8,638.22 = 3,607.36 : x
  2. Step 2: Convert to fraction form
    6,258.19/8,638.22 = 3,607.36/x
  3. Step 3: Cross multiply
    6,258.19x = 8,638.22 × 3,607.36
  4. Step 4: Simplify right side
    6,258.19x = 31,161,169.30
  5. Step 5: Solve for x
    x = 31,161,169.30/6,258.19
  6. Step 6: Final answer
    x = 4,979.26

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.